Home / 31,539.90-43,524.92-17,392.74

Finding the Fourth Proportional to 31,539.90, 43,524.92 and 17,392.74

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Solution

The fourth proportional to 31,539.90, 43,524.92 and 17,392.74 is: 24,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539.90 : 43,524.92 = 17,392.74 : x
  2. Step 2: Convert to fraction form
    31,539.90/43,524.92 = 17,392.74/x
  3. Step 3: Cross multiply
    31,539.90x = 43,524.92 × 17,392.74
  4. Step 4: Simplify right side
    31,539.90x = 757,017,730.03
  5. Step 5: Solve for x
    x = 757,017,730.03/31,539.90
  6. Step 6: Final answer
    x = 24,001.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.